#!/bin/bash
#
# Simple script to kick off an install from a live CD
#
# Copyright (C) 2007  Red Hat, Inc.  All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

# Allow running another command in the place of anaconda, but in this same
# environment.  This allows storage testing to make use of all the module
# loading and lvm control in this file, too.
ANACONDA="${LIVECMD:=anaconda --liveinst --graphical}"

# load modules that would get loaded by the initramfs (#230945)
for i in raid0 raid1 raid5 raid6 raid456 raid10 dm-mod dm-zero dm-mirror dm-snapshot dm-multipath dm-round-robin vfat dm-crypt cbc sha256 lrw xts iscsi_tcp iscsi_ibft; do /sbin/modprobe $i 2>/dev/null ; done

if [ -f /etc/system-release ]; then
    export ANACONDA_PRODUCTNAME
    ANACONDA_PRODUCTNAME=$(sed -r -e 's/ *release.*//' /etc/system-release)
    export ANACONDA_PRODUCTVERSION
    ANACONDA_PRODUCTVERSION=$(sed -r -e 's/^.* ([0-9\.]+).*$/\1/' /etc/system-release)
fi

RELEASE=$(rpm -q --qf '%{Release}' --whatprovides system-release)
if [ "${RELEASE:0:2}" = "0." ]; then
    export ANACONDA_ISFINAL="false"
else
    export ANACONDA_ISFINAL="true"
fi

export PATH=/sbin:/usr/sbin:$PATH

if [ -x /usr/sbin/getenforce ]; then
    current=$(/usr/sbin/getenforce)
    /usr/sbin/setenforce 0
fi

if (! sestatus | grep -q enabled) then
    ANACONDA="$ANACONDA --noselinux"
fi

# Process cmdline args
for opt in $(cat /proc/cmdline) "$@"; do
    case $opt in
    xdriver=*)
        ANACONDA="$ANACONDA --$opt"
        ;;
    updates=*)
        UPDATES="${opt#updates=}"
        ;;
    --updates=*)
        UPDATES="${opt#--updates=}"
        ;;
    inst.updates=*)
        UPDATES="${opt#inst.updates=}"
        ;;
    --inst.updates=*)
        UPDATES="${opt#--inst.updates=}"
        ;;
    --updates)
        title="updates error"
        text="liveinst requires --updates=<url> instead of --updates <url>"
        if which zenity &> /dev/null; then
            zenity --error --no-markup --title="$title" --text="$text"
        else
            echo "$title" >&2
            echo "$text" >&2
        fi
        exit 1
        ;;
    ks=*|kickstart=*|--ks=*|--kickstart=*|inst.ks=*|--inst.ks=*|inst.kickstart=*|--inst-kickstart=*)
        title="Configuration not supported"
        text="Kickstart is not supported on Live ISO installs, please use netinstall or standard ISO.  This installation will continue interactively."
        if which zenity &> /dev/null; then
            zenity --warning --title="$title" --text="$text"
         else
            echo "$title" >&2
            echo "$text" >&2
         fi
        ;;
    rescue|--rescue)
        title="Configuration not supported"
        text="Rescue mode is not supported on live media.  Please use the normal system tools to recover your system."
        if which zenity &> /dev/null; then
            zenity --warning --title="$title" --text="$text"
         else
            echo "$title" >&2
            echo "$text" >&2
         fi
         exit 1
        ;;
    esac
done

# unmount anything that shouldn't be mounted prior to install
anaconda-cleanup "$ANACONDA" "$@"

# Set up the updates, if provided.
if [ -n "$UPDATES" ]; then
    curl -o /tmp/updates.img "$UPDATES"

    # We officially support two updates.img formats:  a filesystem image, and
    # a compressed cpio blob.
    if (file /tmp/updates.img | grep -q 'gzip compressed data'); then
        ( cd / ; gzip -dc /tmp/updates.img | cpio -idu )
    else
        mkdir /tmp/updates.disk
        mount -t auto /tmp/updates.img /tmp/updates.disk
        cp -Rt / /tmp/updates.disk/*
        umount /tmp/updates.disk
        rmdir /tmp/updates.disk
    fi

fi

if [ -z "$LC_ALL" ]; then
    # LC_ALL not set, set it to $LANG to make Python's default encoding
    # detection work
    export LC_ALL=$LANG
fi

# Force the X11 backend since sudo and wayland do not mix
export GDK_BACKEND=x11

if [ -x /usr/bin/udisks ]; then
    /usr/bin/udisks --inhibit -- "$ANACONDA" "$@"
else
    $ANACONDA "$@"
fi

if [ -e /tmp/updates.img ]; then rm /tmp/updates.img; fi

rm -f /dev/.in_sysinit 2>/dev/null

if [ -n "$current" ]; then
    /usr/sbin/setenforce "$current"
fi
